Trello is a web-based Kanban-style list-making application. Originally made by Fog Creek Software in 2011, it was spun out to form the basis of a separate company in 2014 and later sold to Atlassian in January 2017.
Airtable is a platform that makes it easy to build powerful, custom applications. These tools can streamline just about any process, workflow, or project—and best of all, you can build them without ever learning to write a single line of code.